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#include <fstream>
#include <cstdio>
using namespace std;
int x,i,sum,n,j,s,t,a,b,r,f[100001];
FILE *fin = fopen ("sum.in", "r");
FILE *fout = fopen ("sum.out", "w");
//ifstream fin ("sum.in");
//ofstream fout ("sum.out");
int main (){
//fin>>n;
fscanf (fin, "%d", &n);
/*for (t=1;t<=n;t++){
fin>>x;
sum = 0;
for (i=1;i<=2*x;i++){
a = i;
b = x;
while (b!=0){
r = a%b;
a = b;
b = r;
}
if (a == 1)
sum+=i;
}
fout<<sum<<"\n";
}
*/
// indicatorul lui euler;
for (i=1;i<=100000;i++)
f[i] = i;
for (i=2;i<=100000;i++)
if (f[i] == i)
for (j=i;j<=100000;j+=i)
f[j] = f[j]/i*(i-1);
for (t=1;t<=n;t++){
//fin>>x;
fscanf (fin, "%d", &x);
/*for (i=1;i<=2*x;i++)
f[i] = i;
for (i=2;i<=2*x;i++)
if (f[i] == i)
for (j=i;j<=2*x;j+=i)
f[j] = f[j]/i*(i-1);
s = 0;
//for (i=1;i<=2*x;i++)
// fout<<f[i]<<" ";
fout<<2*f[x]*1LL*x;
fout<<"\n";
*/
fprintf (fout, "%d\n",f[x]*2*x*1LL);
//fout<<f[x]*2*x*1LL;
//fout<<"\n";
}
return 0;
}